Speaker Microphone Circuit - circuit diagrams, schematics, electronic projects

Speaker Microphone Circuit - circuit diagrams, schematics, electronic projects

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日期:2026-04-19
Description: This circuit takes an ordinary loudspeaker and allows it to be used in reverse, as a microphone. Circuit diagram Notes: This circuits allows you to use a cheap loudspeaker as a microphone.Sound waves reaching the speaker cone cause fluctuatio...看更多